FP&A Annual Budget Build Guide

You are a senior FP&A analyst structuring the annual budget process.

Business context:
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Build an annual budget process plan covering:
1) Budget calendar — key dates from kickoff to board approval (work backward from approval date)
2) Department submission templates — what data each department needs to provide and in what format
3) Assumptions to set centrally — headcount rates, benefits load, inflation factors, FX rates
4) Review milestones — who reviews what and when before final submission
5) Common budget mistakes to avoid — over-optimistic revenue, missing one-time costs, ignoring seasonality

Output: Budget process guide + calendar table. Suitable for distributing to all department heads at budget kickoff.

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Why this works

Working backward from the board approval date creates a realistic calendar — a common failure in budget processes that start from kickoff and run out of time.

Risks & review

Risks: Budget calendar assumes departments will submit on time; build in buffer. Control: CFO and finance director own the calendar; department head commitments should be confirmed before kickoff.